Why office timings are from 9 to 5 ?

Just a theory and not based off any hard evidence or deep research but perhaps it's based on when the sun rises and sets. The sun rises, this gives you a bit of time to wake up, get ready and commute to work so as to be there by 9am. Then you're leaving around the same time as the sun sets. Just a theory.

Why do we assume things based on perception when we do not yet have the facts?I have assumed thing just based on perception without knowing all the fact. I believe we have all done this at some time or another. WE tend...